Manufacturer Communications
Vehicles / Gmc / Sierra 2500
| Bulletin Number | Vehicle Make | Vehicle Model | Model Year | Summary |
|---|---|---|---|---|
| 20NA163 | GMC | SIERRA 2500 | 2020 | This technical bulletin provides repair information to correct a customer concern of Rearview Camera Displaying Narrow Guidelines and Zoomed Out/Fishe |
| 20NA142 | GMC | SIERRA 2500 | 2019 | This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.<br /> |
| PIE0627 | GMC | SIERRA 2500 | 2021 | This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed |
| 20NA197 | GMC | SIERRA 2500 | 2021 | This technical bulletin provides a procedure to inspect and repair the fuel pressure sensor if found the cause of the customers concern.<br /> |
| 16NA376 | GMC | SIERRA 2500 | 2021 | This informational bulletin provides information on higher than expected oil consumption.<br /> |
| 16NA372 | GMC | SIERRA 2500 | 2021 | This bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be rep |
| 21NA012 | GMC | SIERRA 2500 | 2021 | This technical bulletin provides repair information to correct a customer concern of Clean Exhaust Filter, Perform Manual Regen, and Loss of Digital S |
| 21NA007 | GMC | SIERRA 2500 | 2021 | This technical bulletin provides a procedure to program the reductant fluid module if found the cause of the customers concern.<br /> |
| PIE0604 | GMC | SIERRA 2500 | 2021 | GSA Example: This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the eng |
| PIE0603B | GMC | SIERRA 2500 | 2020 | This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed |
| PIE0603A | GMC | SIERRA 2500 | 2020 | This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed |
| PIE0603 | GMC | SIERRA 2500 | 2020 | This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed |
| PIE0584A | GMC | SIERRA 2500 | 2021 | This engineering information (EI) is requesting information from technicians to provided the engineers listed in regards to No Trailer Lights, No Brak |
| PIP5748C | GMC | SIERRA 2500 | 2020 | This Preliminary information communicates to the technition instructions to replace the particulate matter sensor for a P1488 and to use the special l |
| 19NA153 | GMC | SIERRA 2500 | 2019 | This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal.<br /> |
| PIP5770 | GMC | SIERRA 2500 | 2020 | This Preliminary information communicates to the dealer technician to reprogram the transmission control module after any 10L1000 transmission repair. |
| PIT5747A | GMC | SIERRA 2500 | 2020 | This Preliminary information communicates to dealership how to test properly trailer light option on the truck and also provide additional information |
| 20NA220 | GMC | SIERRA 2500 | 2021 | This technical bulletin provides repair information to correct a customer concern of Rear Camera Inoperable.<br /> |
| PIT5544D | GMC | SIERRA 2500 | 2021 | |
| PIP5783 | GMC | SIERRA 2500 | 2021 | |
| PI-1255F | GMC | SIERRA 2500 | 2018 | Changing to Camper Outside Rearview Mirrors Some customers may request to have camper style mirrors installed on their vehicle. The new electrical |
| PIE0604 | GMC | SIERRA 2500 | 2021 | GSA Example: This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the eng |
| PIE0603B | GMC | SIERRA 2500 | 2020 | This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed |
| PIE0603A | GMC | SIERRA 2500 | 2020 | This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed |
| PIE0603 | GMC | SIERRA 2500 | 2020 | This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed |
| PIE0583A | GMC | SIERRA 2500 | 2020 | This engineering information (EI) is requesting information from technicians and to contact the engineers listed in regards to Transmission Performanc |
| PIE0573A | GMC | SIERRA 2500 | 2020 | This engineering information (EI) is requesting information from technicians to perform the inspection and verify that the rear axle dampener (TVA) is |
| PIE0584A | GMC | SIERRA 2500 | 2021 | This engineering information (EI) is requesting information from technicians to provided the engineers listed in regards to No Trailer Lights, No Brak |
| 19NA240 | GMC | SIERRA 2500 | 2021 | This technical bulletin provides repair information to correct a customer concern of steering wheel oscillation, vibration, shake 50-80 mph.<br /> |
| 18NA150 | GMC | SIERRA 2500 | 2021 | This informational bulletin provides information on 6.6L Duramax Possible Oil Leak Path Information.<br /> |
| 17NA393 | GMC | SIERRA 2500 | 2021 | This informational bulletin explains how to check the NOx Catalyst Reductant-Load Adaptive Values using GSD2.<br /> |
| 17NA374 | GMC | SIERRA 2500 | 2020 | This informational bulletin advises the technician of how the Soot information has changed from grams to percentage.<br /> |
| PIT5386F | GMC | SIERRA 2500 | 2021 | This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative du |
| 20NA220 | GMC | SIERRA 2500 | 2021 | This technical bulletin provides repair information to correct a customer concern of Rear Camera Inoperable.<br /> |
| PIP5770 | GMC | SIERRA 2500 | 2020 | This Preliminary information communicates to the dealer technician to reprogram the transmission control module after any 10L1000 transmission repair. |
| PIT5747A | GMC | SIERRA 2500 | 2020 | This Preliminary information communicates to dealership how to test properly trailer light option on the truck and also provide additional information |
| PIT5386F | GMC | SIERRA 2500 | 2021 | This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative du |
| 20NA090 | GMC | SIERRA 2500 | 2021 | This informational bulletin provides a way for the technician to identify if the ECM has been modified.<br /> |
| 20NA203 | GMC | SIERRA 2500 | 2021 | This informational bulletin explains how the regen works for the DEF system and how it works at different levels.<br /> |
| 20NA105 | GMC | SIERRA 2500 | 2021 | This technical bulletin provides repair information to correct a customer concern of 360 Camera Views go Blank with Tailgate Removed.<br /> |
| 20NA020 | GMC | SIERRA 2500 | 2021 | This technical bulleti provides a procedure to replace the front and rear brake pads if the brakes are squealing.<br /> |
| 19NA153 | GMC | SIERRA 2500 | 2019 | This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal.<br /> |
| PIE0602 | GMC | SIERRA 2500 | 2021 | This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in reg |
| PIE0593A | GMC | SIERRA 2500 | 2021 | This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed |
| PIE0590A | GMC | SIERRA 2500 | 2021 | This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed |
| 16NA102 | GMC | SIERRA 2500 | 2011 | This technical bulletin provides a procedure to clean and repair the complete fuel system due to dirt getting into the fuel system causing the vehicle |
| 20NA209 | GMC | SIERRA 2500 | 2020 | This technical bulletin provides repair information to correct a customer concern of Service 4WD Message illuminated on Driver Information Center (DIC |
| PIE0596 | GMC | SIERRA 2500 | 2021 | This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in reg |
| PIE0594 | GMC | SIERRA 2500 | 2021 | This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed |
| PIE0593 | GMC | SIERRA 2500 | 2021 | This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in reg |
| PIE0617 | GMC | SIERRA 2500 | 2021 | This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed |
| PIE0612A | GMC | SIERRA 2500 | 2021 | This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed |
| PIE0602B | GMC | SIERRA 2500 | 2021 | This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed |
| 18NA361 | GMC | SIERRA 2500 | 2021 | This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed |
| 100310001F | GMC | SIERRA 2500 | 2021 | This informational bulletin provides information on Wheel Balancer Mounting Instructions.<br /> |
| 21NA056 | GMC | SIERRA 2500 | 2021 | This technical bulletin provides a procedure to correct the condition of Information on Vehicles Engine Shuts Off After 30 or 60 Minutes of Idling.<br |
| 21NA052 | GMC | SIERRA 2500 | 2021 | This technical bulletin provides repair information to correct a customer concern of False Traction Control or Stability Event During Slow Speed Sharp |
| PIP5728B | GMC | SIERRA 2500 | 2020 | This Preliminary information communicates to the dealer an issue where a module configuration function is missing from GDS2 scan tool. Dealer is instr |
| N192282860 01 | GMC | SIERRA 2500 | 2020 | Service Update (Population Expansion). Certain vehicles may have a condition where the transmission enters a neutral state when the internal range sen |
| PIT5756 | GMC | SIERRA 2500 | 2020 | This Preliminary information communicates an issue with the underhood electrical center bolts being loose which can cause any of the following symptom |
| PIP4912G | GMC | SIERRA 2500 | 2020 | This Preliminary Information communication provides information to the technician on vehicles that may have an intermittent high idle. If a technician |
| PIT3665J | GMC | SIERRA 2500 | 2020 | This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pe |
| 20NA142 | GMC | SIERRA 2500 | 2019 | This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.<br /> |
| N192275630-03 | GMC | SIERRA 2500 | 2019 | Customer Satisfaction Program - Certain vehicles may have a condition in which the electronic brake controlmodule is less likely to activate the optio |
| PIP5742 | GMC | SIERRA 2500 | 2020 | This Preliminary information communicates to the dealer technicians that a belt chirp or rubbing noise may be caused by the harmonic balancer out ring |
| PIP5655B | GMC | SIERRA 2500 | 2020 | |
| PIP5735 | GMC | SIERRA 2500 | 2020 | |
| PIP5748A | GMC | SIERRA 2500 | 2020 | This Preliminary information communicates to the technition instructions to replace the particulate matter sensor for a P1488 and to use the special l |
| PIP5748 | GMC | SIERRA 2500 | 2020 | This Preliminary information communicates to the technition instructions to replace the particulate matter sensor for a P1488 and to use the special l |
| 20NA090 | GMC | SIERRA 2500 | 2020 | This informational bulletin provides a way for the technician to identify if the ECM has been modified.<br /> |
| 20NA010 | GMC | SIERRA 2500 | 2019 | This technical bulletin provides a procedure to replace the cooling fan if found contacting the shroud causing the customers concern.<br /> |
| 20NA101 | GMC | SIERRA 2500 | 2019 | This technical bulletin provides a procedure for pad replacement due to on premature and/or uneven brake pad wear.<br /> |
| 19NA153 | GMC | SIERRA 2500 | 2019 | This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal.<br /> |
| 19NA277 | GMC | SIERRA 2500 | 2019 | This technical bulletin provides a procedure to replace the fuel tank, sending unit and install a piece of fuel hose to the vent and route down the fu |
| 20NA163 | GMC | SIERRA 2500 | 2020 | This technical bulletin provides repair information to correct a customer concern of Rearview Camera Displaying Narrow Guidelines and Zoomed Out/Fishe |
| 20NA162 | GMC | SIERRA 2500 | 2019 | THis informational bulletin advises the tech of a possible plugged fuel breather vent and how to add a vent breather line to correct the customers con |
| 030601023D | GMC | SIERRA 2500 | 2020 | This information bulletin explains how to measure for oil consumption and possible reasons for loss of oil.<br /> |
| 20NA185 | GMC | SIERRA 2500 | 2018 | This technical procedure provides a procedure to replace the front oil crank seal on remanufactured engines only, if found the cause of the customers |
| 20NA181 | GMC | SIERRA 2500 | 2019 | This technical bulletin provides a procedure to program the ECM if found the cause of the customers complaint.<br /> |
| PIT4506E | GMC | SIERRA 2500 | 2020 | This Preliminary Information communication provides information to the technician that some owners of Heavy Duty Trucks and Utilities may ask if they |
| 18NA253 | GMC | SIERRA 2500 | 2019 | This technical bulletin advised the technician to take the vehicle for a test drive to validate a possible normal TCC performance while under heavy sp |
| PIE0574 | GMC | SIERRA 2500 | 2021 | This engineering informational bulletin is requesting information from technicians to inspect for engine oil leak and contact the engineer listed.<br |
| PIP5717 | GMC | SIERRA 2500 | 2020 | |
| PIP5716 | GMC | SIERRA 2500 | 2020 | |
| PIT5709A | GMC | SIERRA 2500 | 2021 | |
| N192264210 | GMC | SIERRA 2500 | 2019 | N192264210 - Customer Satisfaction Program - Certain vehicles may have a condition in which the block heater cable function was disabled. Dealers wil |
| N192266750 | GMC | SIERRA 2500 | 2020 | N192266750 - Service Update. On certain vehicles that are equipped with a 6.6L diesel engine, may have one or more of the following conditions exist: |
| 20NA093 | GMC | SIERRA 2500 | 2016 | This informational bulletin provides information on Normal Radio Display Operation ? Display Does Not Remain Off at Times After Being Turned Off in Se |
| N192291640 | GMC | SIERRA 2500 | 2016 | Special Coverage. On some vehicles, equipped with a 6.6L diesel engine, an exhaust gas temperature sensor, at the position 2 location, may fail. If t |
| N192210260 | GMC | SIERRA 2500 | 2016 | N192210260 - Special Coverage Adjustment - Certain vehicles that are equipped with a diesel engine (LML/LGH) may have a condition which causes an offs |
| N192273400 | GMC | SIERRA 2500 | 2020 | N192273400 - Service Update. Certain LD vehicles may have a condition in which the right-hand side, positive crankcase ventilation (PCV) tube may not |
| PIT5736 | GMC | SIERRA 2500 | 2020 | This Preliminary information communicates how the HVAC setting operates during a remote vehicle start.<br /> |
| PIP5711 | GMC | SIERRA 2500 | 2020 | |
| 20NA197 | GMC | SIERRA 2500 | 2019 | This technical bulletin provides a procedure to inspect and repair the fuel pressure sensor if found the cause of the customers concern.<br /> |
| PIE0584 | GMC | SIERRA 2500 | 2021 | This engineering information (EI) is requesting information from technicians to provided the engineers listed in regards to No Trailer Lights, No Brak |
| 20NA176 | GMC | SIERRA 2500 | 2020 | This technical bulletin provides a procedure to update the GPCM if found the cause of the customers concern.<br /> |
| PIP5711A | GMC | SIERRA 2500 | 2021 | |
| PIT5511D | GMC | SIERRA 2500 | 2019 | This Preliminary Information communication advises the technician that some vehicles may have a dim Driver Information Center when the interior of the |
| PIP5748B | GMC | SIERRA 2500 | 2020 | This Preliminary information communicates to the technition instructions to replace the particulate matter sensor for a P1488 and to use the special l |
| N192264210-02 | GMC | SIERRA 2500 | 2019 | Customer Satisfaction Program - Certain vehicles equipped with the 6.6l Duramaxdiesel engine (RPO L5P) and optional engine-block heater cord, may have |
| N192282860 | GMC | SIERRA 2500 | 2020 | Service Update - Certain vehicles may have a condition where the transmission enters a neutral state when the internal range sensor (IRS) fault is act |
| N202298330 | GMC | SIERRA 2500 | 2020 | Customer Satisfaction Program - Certain 2020 Chevrolet Silverado HD and GMC Sierra HD vehicles were intended to include a high idle feature, (RPO UF3) |
| N202294960 | GMC | SIERRA 2500 | 2020 | Customer Satisfaction Program - Vehicles may have been built with 3500 series single rear wheel leaf springs. In service, if a single leaf spring wer |
| PIE0560 | GMC | SIERRA 2500 | 2020 | This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in reg |
| 20NA142 | GMC | SIERRA 2500 | 2019 | This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.<br /> |
| 19NA277 | GMC | SIERRA 2500 | 2019 | This technical bulletin provides a procedure to replace the fuel tank, sending unit and install a piece of fuel hose to the vent and route down the fu |
| PIP5706 | GMC | SIERRA 2500 | 2020 | This Preliminary information communicates to the dealer a condition with the throttle body that may illuminate the service engine soon light, cause th |
| PIT5636A | GMC | SIERRA 2500 | 2020 | This Preliminary information communicates an issues with a SES MIL and DTC P1005 and to replace the fuel pump driver control module with an updated pa |
| PIT5387G | GMC | SIERRA 2500 | 2020 | This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Hea |
| PIP5695 | GMC | SIERRA 2500 | 2020 | |
| PIP5690A | GMC | SIERRA 2500 | 2020 | |
| PIE0548 | GMC | SIERRA 2500 | 2020 | This engineering informational bulletin is requesting information on a issue that is caused by loose ground connection at G110 or G114 that results in |
| PI0689D | GMC | SIERRA 2500 | 2019 | This preliminary information bulletin provides a procedure for installing a aftermarket tool or utility box.<br /> |
| 17NA302 | GMC | SIERRA 2500 | 2019 | This informational bulletin provides information on availability for a locking gas cap for trucks are operated in high amount of dirt or dust which ca |
| PIP5664C | GMC | SIERRA 2500 | 2020 | This Preliminary information communicates to the dealer technician to refer to Service Update N192266750.<br /> |
| N192264210 | GMC | SIERRA 2500 | 2019 | Customer Satisfaction Program - Certain vehicles equipped with the 6.6l Duramaxdiesel engine (RPO L5P) and optional engine-block heater cord, may have |
| N192278640 | GMC | SIERRA 2500 | 2020 | Service Update Bulletin - Certain 2020 model year Chevrolet Silverado and GMC Sierra vehicles equipped with a 2.7L Engine (RPO ENL), Engine Control Di |
| 19NA277 | GMC | SIERRA 2500 | 2019 | This technical bulletin provides a procedure to replace the fuel tank, sending unit and install a piece of fuel hose to the vent and route down the fu |
| N192277930 | GMC | SIERRA 2500 | 2020 | N192277930 - Service Update - Certain 2020 model year Chevrolet Silverado and GMC Sierra vehicles may, after several years of use, fracture at the yok |
| N192210260 | GMC | SIERRA 2500 | 2016 | N192210260-01 - Special Coverage Adjustment (Revised Warranty Information) - Certain vehicles that are equipped with a diesel engine (LML/LGH) may hav |
| N192266750-01 | GMC | SIERRA 2500 | 2020 | N192266750-01 - Service Update (Revised Warranty Information and Service Procedure). On certain vehicles that are equipped with a 6.6L diesel engine, |
| N192282190 | GMC | SIERRA 2500 | 2019 | Customer Satisfaction Program - Certain 2019 model year GMC Sierra 2500/3500 vehicles, may have incorrect language in the Forward Auto Braking (FAB) s |
| 18NA239 | GMC | SIERRA 2500 | 2019 | This technical bulletin provides a procedure to add washers on the lower column mounting bracket locations due to the shaft laying on the metal suppor |
| 060309004N | GMC | SIERRA 2500 | 2019 | This technical bulletin provides a procedure to apply grease to the leaf springs to correct a condition of a squeak noise from the metals making conta |
| 19NA216 | GMC | SIERRA 2500 | 2020 | This technical bulletin provides the tech with a procedure to check the t-case for loose fasteners and to re-torque if the cause of the concern.<br /> |
| PIP5655A | GMC | SIERRA 2500 | 2020 | |
| PIT5161G | GMC | SIERRA 2500 | 2020 | This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or |
| PIT5544C | GMC | SIERRA 2500 | 2020 | |
| PIT5702A | GMC | SIERRA 2500 | 2020 | |
| PIT5657B | GMC | SIERRA 2500 | 2020 | This Preliminary information communicates how to repair a loose shift cable bracket.<br /> |
| PIP5664A | GMC | SIERRA 2500 | 2020 | |
| 19NA187 | GMC | SIERRA 2500 | 2020 | This bulletin provides additional information on how to graph a cylinder misfire and a possible diagnostic cause.<br /> |
| DORM9T7N09 | GMC | SIERRA 2500 | 2002 | This SKU is a Preformed Fuel Line. The customer communication requested return of unsold inventory to inspect for damage to the braided hose and crim |
| 19NA152 | GMC | SIERRA 2500 | 2020 | This technical bulletin provides repair information to correct a customer concern of Static Crackling Noise Using Bluetooth Microphone.<br /> |
| 19NA109 | GMC | SIERRA 2500 | 2019 | This informational bulletin provides information for dealers/technicians on Oil Life Monitor Engine Control Module Update.<br /> |
| 18NA361 | GMC | SIERRA 2500 | 2020 | This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed |
| PIT5697 | GMC | SIERRA 2500 | 2020 | |
| PIP5656C | GMC | SIERRA 2500 | 2020 | This Preliminary Information communication advises the technician that the 6.6L Engine (RPO L8T) has been placed on Engine Exchange program and cranks |
| PIP5664B | GMC | SIERRA 2500 | 2020 | This Preliminary information communicates to the dealer technician to check for any new ECM calibration updates for DTCs P129F P16F3 P20EE P20FF P226D |
| 17NA228 | GMC | SIERRA 2500 | 2019 | This informational bulletin provides information on Click or Tick Noise on 3-4 Shift that it should be considered a normal characteristic.<br /> |
| PIT5711 | GMC | SIERRA 2500 | 2020 | This Preliminary information communicates information for the dealer to reprogram the IPC to correct the Off-Road Mode not being able to be selected u |
| PIT5709 | GMC | SIERRA 2500 | 2020 | |
| PIT5707 | GMC | SIERRA 2500 | 2020 | This Preliminary information communication provides information to the dealer about vehicles with the ABS light or Service Stability Message displayed |
| PIP5656B | GMC | SIERRA 2500 | 2020 | This Preliminary Information communication advises the technician that the 6.6L Engine (RPO L8T) has been placed on Engine Exchange program and cranks |
| 100310001E | GMC | SIERRA 2500 | 2020 | This informational bulletin provides information on Wheel Balancer Mounting Instructions.<br /> |
| PIP5656A | GMC | SIERRA 2500 | 2020 | This Preliminary Information communication advises the technician that the 6.6L Engine (RPO L8T) has been placed on Engine Exchange program. Dealer wi |
| PIE0518A | GMC | SIERRA 2500 | 2019 | This engineering informational bulletin is requesting information on ways to check to see when the vehicle needs a oil change without the oil life mon |
| PIT5308D | GMC | SIERRA 2500 | 2019 | This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that have remote start |
| 19NA108 | GMC | SIERRA 2500 | 2019 | This technical bulletin provides a procedure to replace the head gaskets if found doubled stacked.<br /> |
| 090309001G | GMC | SIERRA 2500 | 2019 | This technical bulletin provides a procedure for re-torque the lead springs.<br /> |
Subscribe for our latest newslatters
Know if there is a safety problem with your vehicles, tires or car seat, and how to get it fixed.